Bibliografie tematiche / Yellow-footed rock wallaby

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Letteratura scientifica selezionata sul tema "Yellow-footed rock wallaby"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 20 febbraio 2023

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Articoli di riviste sul tema "Yellow-footed rock wallaby"

Gordon, Gregory, Peter McRae, Leong Lim, Darryl Reimer e Gary Porter. "The conservation status of the yellow-footed rock-wallaby in Queensland". Oryx 27, n. 3 (luglio 1993): 159–68. http://dx.doi.org/10.1017/s0030605300027964.

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A survey of the distribution of the yellow-footed rock-wallaby Petrogale xanthopus was carried out in Queensland from 1984 to 1987. The species was found at 44 sites to the north and north-west of Adavale in south-western Queensland, mainly in the rugged country along the edges of low sandstone tablelands and hills. The size of the rock-wallaby population could not be estimated with accuracy, but is considered to be of the order of 5000–10,000 animals. The species is vulnerable because of property development in the area and possibly because of competition from other herbivores. The authors recommend regular monitoring of the population size.

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Blumstein, Daniel T., Janice C. Daniel e Christopher S. Evans. "Yellow-Footed Rock-Wallaby Group Size Effects Reflect A Trade-Off". Ethology 107, n. 7 (24 luglio 2001): 655–64. http://dx.doi.org/10.1046/j.1439-0310.2001.00699.x.

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Hornsby, PE, e EY Corlett. "Differential responses by sympatric macropodids to severe drought." Australian Mammalogy 26, n. 2 (2004): 185. http://dx.doi.org/10.1071/am04185.

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Responses to severe drought by two sympatric macropodids, the yellow-footed rock-wallaby (Petrogale xanthopus) and the euro (Macropus robustus erubescens) were examined at a site in the North Flinders Ranges of South Australia. The results indicate that the two species respond differentially to drought conditions. It was observed that small fluctuations occurred in the P. xanthopus population. In contrast, M. r. erubescens evidenced significant mortality, especially among larger animals.

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Sharp, Andy, Melinda Norton, Chris Havelberg, Wendy Cliff e Adam Marks. "Population recovery of the yellow-footed rock-wallaby following fox control in New South Wales and South Australia". Wildlife Research 41, n. 7 (2014): 560. http://dx.doi.org/10.1071/wr14151.

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Context Introduced herbivores and carnivores have significantly altered ecosystems across Australia and have been implicated in the decline and extinction of many species, particularly in the arid and semiarid zones. The experimental confirmation of agents of decline is a fundamental step in threatened species management, allowing for an efficient allocation of resources and effective species recovery. Aims Following unsuccessful attempts to increase the abundance of yellow-footed rock-wallaby populations through concerted goat control across the southern extent of their range, the primary aim of our study was to determine whether fox predation was limiting the recovery of wallaby populations. Methods Intensive fox-control programs (1080 baiting) were initiated around wallaby subpopulations in New South Wales and South Australia. Wallaby numbers were monitored for a three-year period before and after the initiation of fox control, and ANCOVA used to examine for differences between the subpopulation’s rate of increase (r). Observational data were used to determine the demographic effects of fox predation on wallaby colonies in New South Wales. Key results Wallaby subpopulations that were treated with fox control increased significantly, while experimental control subpopulations remained at consistently low levels. Juvenile and subadult wallabies were apparent within the treated New South Wales subpopulation, but almost absent from the control subpopulation, suggesting that fox predation focussed primarily on these age classes. Conclusions Fox predation is a major limiting factor for southern wallaby populations and fox control should be the primary management action to achieve species recovery. Implications Although a significant limiting factor, the regulatory effect of fox predation was not assessed and, as such, it cannot be confirmed as being the causal factor responsible for the historic declines in wallaby abundance. The determination of whether fox predation acts in a limiting or regulatory fashion requires further experimentation, but its resolution will have significant implications for the strategic allocation of conservation resources.

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Norton, Melinda A., Andy Sharp e Adam Marks. "An evaluation of faecal pellet counts to index rock-wallaby population size". Australian Mammalogy 33, n. 2 (2011): 221. http://dx.doi.org/10.1071/am10048.

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This study assessed the efficacy of faecal pellet counts to index population size within yellow-footed rock-wallaby (Petrogale xanthopus) colonies. One hundred 1-m2 quadrats were permanently located in each of two colonies and emptied of pellets on a monthly basis between September 1996 and August 1998. The mean number of pellets (MNP) accumulated per season (quadrats as replicates) and a mean pellet presence/absence per quadrat index (MPAP) were calculated for each colony. Other population estimates and indices (direct counts, mark–recapture and aerial surveys) were also collected at these colonies or drawn from other studies, allowing comparison with the pellet data. The trends in abundance across seasons suggested by these additional estimates and indices were an overall increase at one colony with no change at the other. While these trends were reflected by the seasonal MNP trends across the eight seasons monitored, this was less often the case for the like-season MNP comparisons. The large degree of variation in seasonal MNP data may render it unsuitable for use in such short-term like-season comparisons. The MPAP seasonal data were also found to be unreliable as an index of population size for yellow-footed rock-wallaby. In Spring 1997, one pellet collection period was missed, resulting in a combined September–October 1997 count at each colony. This increased period between pellet counts appears to have resulted in increased pellet decomposition and/or loss. This disrupted sampling regime produced a marked discrepancy in the pellet indices, particularly in the colony with more individuals and thus more pellets to lose, and highlights the importance of a structured sampling regime.

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Sharp, Andy. "Drinking behaviour of yellow-footed rock-wallabies (Petrogale xanthopus celeris) in semiarid Queensland". Australian Mammalogy 33, n. 2 (2011): 189. http://dx.doi.org/10.1071/am10049.

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This study examined the patterns of water use by yellow-footed rock-wallabies (Petrogale xanthopus celeris) at a colony in semiarid Queensland. Visitation by wallabies to an earthen tank was monitored, over a three-year period, via radio-tracking. The rate of visitation to the tank was negatively linked to both rainfall in the previous month and rainfall during tracking, while being positively related to temperature. Drinking rate increased considerably when mean pasture moisture content fell below 20%. The regular visitation to the tank suggests that Queensland populations of wallabies may have a stronger reliance on free water than previously thought. The closure of artificial waters on conservation reserves and pastoral properties could result in dramatic declines in wallaby numbers and potentially localised extinctions.

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C. Pope, Lisa, Andy Sharp e Craig Moritz. "The genetic diversity and distinctiveness of the Yellow-footed Rock-wallaby Petrogale xanthopus (Gray, 1854) in New South Wales". Pacific Conservation Biology 4, n. 2 (1998): 164. http://dx.doi.org/10.1071/pc980164.

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Yellow-footed Rock-wallabies (YFRW) Petrogale xanthopus have declined in numbers since European settlement from past hunting for skins, habitat disturbance and predation and competition with feral animals (Gordon et al. 1978, 1993; Copley 1983; Henzell 1990). This has led to the species being classed as potentially vulnerable to extinction in Australia (Kennedy 1992), and endangered in New South Wales (Schedule 1, Threatened Species Conservation Act, 1995).

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LAVERY, HUGH, YUITI ONO e YUTAKA RYU. "Exhibiting the Yellow-footed rock wallaby Petrogale xanthopus at Kitakyushu Municipal Hibiki Dobutsu World". International Zoo Yearbook 32, n. 1 (gennaio 1992): 212–16. http://dx.doi.org/10.1111/j.1748-1090.1992.tb02503.x.

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LAVERY, HUGH, YUITI ONO e YUTAKA RYU. "Exhibiting the Yellow-footed rock wallaby Petrogale xanthopus at Kitakyushu Municipal Hibiki Dobutsu World". International Zoo Yearbook 32, n. 1 (18 dicembre 2007): 212–16. http://dx.doi.org/10.1111/j.1748-1090.1993.tb03537.x.

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Sharp, Andy, e Hamish McCallum. "Bottom-up processes in a declining yellow-footed rock-wallaby (Petrogale xanthopus celeris) population". Austral Ecology 40, n. 2 (8 ottobre 2014): 139–50. http://dx.doi.org/10.1111/aec.12185.

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Più fonti

Tesi sul tema "Yellow-footed rock wallaby"

Lapidge, Steven James. "Reintroduction biology of yellow-footed rock-wallabies (Petrogale xanthopus celeris and P. x. xanthopus)". Connect to full text, 2001. http://hdl.handle.net/2123/851.

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Thesis (Ph. D.)--University of Sydney, 2002.
Title from title screen (viewed Apr. 24, 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Biological Sciences, Faculty of Science. Degree awarded 2002; thesis submitted 2001. Includes bibliography. Also available in print form.

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Lapidge, Steven James. "Reintroduction biology of yellow-footed rock wallabies (petrogale xanthopus celeris and P. x. xanthopus". Thesis, The University of Sydney, 2001. http://hdl.handle.net/2123/851.

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Based on the recommendations of both the 1993 Reintroduction biology of Australasian Fauna Conference and the 1994 Rock Wallaby Symposium, captive-bred Yellow footed rock wallabies were reintroduced into areas of their former ranges in both South Australia and Queensland

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Sharp, Andy. "The ecology and conservation biology of the yellow-footed rock-wallaby /". [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16815.pdf.

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Lapidge, Steven James. "Reintroduction biology of yellow-footed rock wallabies (petrogale xanthopus celeris and P. x. xanthopus". University of Sydney. Biological Sciences, 2002. http://hdl.handle.net/2123/851.

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Dorjgurhem, Batbold. "Regional biodiversity management strategy : case study on the Flinders Ranges". Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09AS/09asd699.pdf.

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Bibliography: leaves 107-117. This thesis examines the rationale for managing biological diversity on a regional basis and develops recommendations for the use of two computational methods in biodiversity management planning by conducting a case study in the Flinders Ranges, centred on the Yellow-footed Rock Wallaby (abstract)

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Lethbridge, Mark. "Population modelling the yellow-footed rock-wallaby (petrogale xanthopus xanthopus) in space and time". 2004. http://arrow.unisa.edu.au:8081/1959.8/24981.

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Conservation biology is primarily concerned with the amelioration of species decline. The Yellow-footed Rock-wallaby (Petrogale xanthopus xanthopus) is a medium-sized Macropod that inhabits the semiarid rangelands of South Australia and New South Wales. Its conservation status is Vulnerable C2a(i). In this study, population modelling, spatially explicit habitat modelling and Population Viability Analysis (PVA) have been used to better understand the factors that affect the abundance and distribution of the P. x. xanthopus in South Australia. The processes that drive the population dynamics of a species operate at different scales. As such this research involves a collection of several inter-related and scale-specific empirical studies that provide insights about the population dynamics of P. x. xanthopus. Each of these studies captures environmental, demographic and behavioural process acting on the population at different scales. These include the analysis of relative abundance data derived from an aerial census, mark recapture sampling of demographic parameters in relation to rainfall patterns and a collection of habitat models derived at different scales using presence-absence data. Spatially explicit PVAs enable the population dynamics of a species to be modelled in space and time. Using these data, a PVA is conducted to explore and rank the importance of the factors that threaten this species and help guide their future monitoring and management. Movement is also a key issue when considering problems such as isolation and inbreeding. Given that little is known about the dispersal behaviour of this species, a range of different dispersal behaviours are also simulated in the PVA using random and non-random mating algorithms, to estimate the potential for inbreeding.
thesis (PhD)--University of South Australia, 2004.

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Libri sul tema "Yellow-footed rock wallaby"

Haines, Devin. Yellow-Footed Rock Wallaby: Amazing Facts about Yellow-Footed Rock Wallaby. Independently Published, 2020.

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Edward, Alice. Yellow-Footed Rock Wallaby: Children's Books --- Amazing Pictures and Fun Facts on Animals in Nature. Independently Published, 2020.

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Elias, Eve. Yellow-Footed Rock Wallaby: Children's Books --- Fun Facts and Amazing Photos of Animals in Nature. Independently Published, 2020.

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